 | | Re: Motor outputs
|
|
(...) I'm not quite sure if this is what you are looking for, but if you need to run motors that are not compatible with the HB's built-in H-bridge, try one of the following: (1) If you need up to twice the current, try piggybacking more motor (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: HB bootstrap problem when U6 installed
|
|
Originally I had problems putting my Handy Board into bootstrap mode. The problem seemed to be that we had the wrong power source, and had to keep it in zap mode for it to work properly. (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Decoding Infrared receiver
|
|
Make sure that your modulating the transmision part with the correct frequency! When I built my handy board I tested the IR TX circuit and it gave me 57kHz instead of 40 kHz and I did use all the correct resistor capacitor values. I suggest that you (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: HB bootstrap problem when U6 installed
|
|
I assume you've tried other HC138's, and that it's not a case of a faulty chip? fred In your message you said: (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | HB bootstrap problem when U6 installed
|
|
One of my students is having a problem in assembling their HB: Downloading and executing IC works fine _until_ U6 is installed. After installing U6 ('138) the GRN LED doesn't quite go off when putting the board in bootstrap mode, it glows faintly. (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Unsubscribe
|
|
I would like to unsubscribe from the mailing list. Thank you ___...___ Carol G. Rosaire III Office 713.807.0804 Sr. Systems Eng. Fax 713.558.0597 Ascend Communications, Inc. (URL) Houston, TX "Good judgment is borne from experience, and experience (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: ROVER
|
|
Dear Mr Fred Martin, Thank you for your reply. We have used all HC chips in the handyboard. Yours sincerely, Nitin (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: what variety of 6811 can be used?
|
|
Everyone and Fred, Just to let everyone know, Motorola is currently doing an "End of Life" buy on the 68HC11A family. I think the plan is that we will stop making them by the end of the year. We are moving all customers over to the 68HC11E family. (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Problems with servo function
|
|
Robert J. Kelly wrote: [servo discussion snipped] (...) Mine does the same thing, displaying version IC version 3.1 on the LCD display, even with the new pcode installed. I am supecting that Newton Labs forgot to change the text display routine in (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Expansion Board Files
|
|
(...) I am using the Newton labs version 3.2. I just downloaded the newly updated files from (URL) everything loads properly now. It seems that some erroneous characters were in a few of the files, but that all are fixed now. (...) Try downloading (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Expansion Board Files
|
|
(...) I finally got back to this ... had to go to the day job ... :) (...) ... and everything loads just fine now. Thanks Fred, for this and everything that you are doing. I'm just getting into this stuff but so far I am having a blast. -- Doug (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Problems with servo function
|
|
Hi all, I'm new to the list, handyboards, IC, and robotics, but I'm not totally clueless so bear with me... So I got an HB from Pat Hui, and it seems to work fine. I've been able to write a program that will vary a beep tone and print variable (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: LCD screen source
|
|
A few years back I got an Optrex DMC16249 LCD from Digikey (URL) Look for Digikey part no.73-1037-ND . I just checked there web site and they still have the same part. The Optrex LCD is a perfect fit for the HB John (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Expansion Board Files
|
|
Doug Are you using the freeware version of IC or the Newton labs version of IC. I just downloaded the latest expansion board library files and I get the following Synchronizing with board Pcode version 3.10 present on board Loading (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Motor outputs
|
|
Dear all, I asked this question before but I might have used the wrong wordings. Here I try again. As you all know, the HB 's motor outputs give PVM, however, it gave me problems when I tried to amplify the power (both current and voltage.) Is there (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Navigation and PID ressources for Handy Board
|
|
(...) Francois, That's right, I was trying to use the PID for a control system but I finally gave up due to the small power supply from its motor outputs. The last time I browsed the HB web I did found some articles in the mail list, maybe you can (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: 2 servos
|
|
(...) Sure is! Check out this page on the HB web site: (URL) Will , , __@_/ \_@__ |/ | /__, o @_/ )\ ) ( \ (\/\\, ~~~...~~~ ' ` ~~~...~~~ ` ~~~...~~~ Wendy Parson, You can't say civilization isn't advancing; Will Bain, in every war they kill you in (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: what variety of 6811 can be used?
|
|
(...) why does the 512 bytes matter? the HB has 32K of external ram. i guess if you're planning to do rom-able code development then i understand. there's very little difference between the e and a series. the port A counter/timer pins are slightly (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | Re: what variety of 6811 can be used?
|
|
Hi! (...) Hi Steve! I've put my hb to work yesterday, but I think I can help you a bit. The "FN" means the chip has "plcc" package, while the "P" would mean it's DIP package. The plcc is the one used in the Handy Board, as you can see the 52 pins (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
|
| |
| | ROVER
|
|
Dear Mr Fred Martin, I hope you remember that we in India were making a rover ,which in the end ran into some problems.We had to present the inoperational rover only for the exhibition. Now,after the exhibition we are trying to make the rover work. (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
|
